Mar 10 / Admin

New Scam Alert: MFA Compromise

Innovation & Tech Today reported:   

MFA compromise, also sometimes called man-in-the-middle (MITM) reverse-proxy phishing or adversary-in-the-middle (AITM) phishing, is a sophisticated attack method designed to trick even the savviest Internet users. Here’s how it works:

  • The Setup: You receive a phishing email or click on a deceptive ad, leading you to what appears to be a legitimate website—one that mimics a well-known business or service.
  • The Trap: The attacker has set up a reverse proxy server, which secretly acts as an intermediary between you and the real company’s website. Everything looks normal to you, but in reality, your requests are passing through the attacker’s server.
  • Credential Theft: You enter your username and password, thinking you’re logging in safely. On the back end, the attacker’s system immediately relays your credentials to the real website.
  • MFA Compromise: The company sends you a one-time passcode (OTP) for authentication in an email, text message, or an authenticator app. You enter the code—but because the phishing site is still acting as an intermediary, the attacker grabs that code in real time.
  • Account Takeover: With your credentials and your MFA token, the attacker now has full access to your account. Just like that, your digital security is breached.

Find the original article here.

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